EPF8820ATI144-2N - 672-Logic-Element FLEX 8000 FPGA | Altera | 5V
MPN: EPF8820ATI144-2N ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $28.5 | $28.50 |
| 10 | $25.6 | $256.00 |
| 100 | $22.4 | $2,240.00 |
| 500 | $19.75 | $9,875.00 |
| 1,000 | $17.2 | $17,200.00 |
Drop-in alternatives for EPF8820ATI144-2N — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
EPF8820ATI144-2
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$19.85 / Unit
View Datasheet →EPF8820ATI144-1
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$26 / Unit
View Datasheet →EPF8820ATC144-2N
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$18.95 / Unit
View Datasheet →EPF8820ATC144-3N
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$10.4 / Unit
View Datasheet →EPF8820ATC144-4N
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$15.2 / Unit
View Datasheet →EPF8820ATC144-10
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$10.4 / Unit
View Datasheet →EPF8820ATI144-2N Maximum Ratings & Electrical Characteristics
| Family | FLEX 8000 |
| Logic Elements | 672 |
| Propagation Delay (tPD) | 1.7 ns |
| Configuration Technology | CMOS SRAM (volatile) |
| Supply Voltage Range | 4.5 V to 5.5 V |
| Nominal Supply Voltage | 5.0 V |
| Operating Temperature Grade | Industrial (-40C to +85C) |
| Package | 144-pin TQFP (TQ144, JEDEC MS-026) |
| Terminal Pitch | 0.500 mm |
| Terminal Form | Gull wing |
| Package Code | QFP |
| Mounting Type | Surface Mount |
| Configuration Devices | EPC1, EPC1213, EPC1064, EPC1441 (external) |
| Programming Interface | JTAG / Altera ByteBlaster |
| Memory Type | SRAM-based, volatile (re-loadable) |
EPF8820ATI144-2N Pin Configuration
| Pin 1 | I/O — User I/O pin (bank-dependent) |
| Pin 2 | I/O — User I/O pin |
| Pin 3 | VCCINT — Internal core supply (5V) |
| Pin 4 | I/O — User I/O pin |
| Pin 5 | I/O — User I/O pin |
| Pin 6 | GND — Ground |
| Pin 7 | I/O — User I/O pin |
| Pin 8 | I/O — User I/O pin |
| Pin 9 | I/O — User I/O pin |
| Pin 10 | I/O — User I/O pin |
| Pin 11 | VCCIO — I/O supply (5V) |
| Pin 12 | I/O — User I/O pin |
| Pin 13 | I/O — User I/O pin |
| Pin 14 | I/O — User I/O pin |
| Pin 15 | GND — Ground |
| Pin 16 | I/O — User I/O pin |
| Pin 17 | I/O — User I/O pin |
| Pin 18 | I/O — User I/O pin |
| Pin 19 | I/O — User I/O pin |
| Pin 20 | VCCINT — Internal core supply (5V) |
| Pin 21 | I/O — User I/O pin |
| Pin 22 | I/O — User I/O pin |
| Pin 23 | I/O — User I/O pin |
| Pin 24 | GND — Ground |
| Pin 25 | I/O — User I/O pin |
| Pin 26 | I/O — User I/O pin |
| Pin 27 | I/O — User I/O pin |
| Pin 28 | I/O — User I/O pin |
| Pin 29 | VCCIO — I/O supply (5V) |
| Pin 30 | I/O — User I/O pin |
| Pin 31 | I/O — User I/O pin |
| Pin 32 | I/O — User I/O pin |
| Pin 33 | GND — Ground |
| Pin 34 | I/O — User I/O pin |
| Pin 35 | I/O — User I/O pin |
| Pin 36 | I/O — User I/O pin |
| Pin 37 | I/O — User I/O pin |
| Pin 38 | VCCINT — Internal core supply (5V) |
| Pin 39 | I/O — User I/O pin |
| Pin 40 | I/O — User I/O pin |
| Pin 41 | I/O — User I/O pin |
| Pin 42 | GND — Ground |
| Pin 43 | I/O — User I/O pin |
| Pin 44 | I/O — User I/O pin |
| Pin 45 | I/O — User I/O pin |
| Pin 46 | I/O — User I/O pin |
| Pin 47 | VCCIO — I/O supply (5V) |
| Pin 48 | I/O — User I/O pin |
| Pin 49 | I/O — User I/O pin |
| Pin 50 | I/O — User I/O pin |
| Pin 51 | GND — Ground |
| Pin 52 | I/O — User I/O pin |
| Pin 53 | I/O — User I/O pin |
| Pin 54 | I/O — User I/O pin |
| Pin 55 | I/O — User I/O pin |
| Pin 56 | VCCINT — Internal core supply (5V) |
| Pin 57 | I/O — User I/O pin |
| Pin 58 | I/O — User I/O pin |
| Pin 59 | I/O — User I/O pin |
| Pin 60 | GND — Ground |
| Pin 61 | I/O — User I/O pin |
| Pin 62 | I/O — User I/O pin |
| Pin 63 | I/O — User I/O pin |
| Pin 64 | I/O — User I/O pin |
| Pin 65 | VCCIO — I/O supply (5V) |
| Pin 66 | I/O — User I/O pin |
| Pin 67 | I/O — User I/O pin |
| Pin 68 | I/O — User I/O pin |
| Pin 69 | GND — Ground |
| Pin 70 | I/O — User I/O pin |
| Pin 71 | I/O — User I/O pin |
| Pin 72 | I/O — User I/O pin |
| Pin 73 | I/O — User I/O pin |
| Pin 74 | VCCINT — Internal core supply (5V) |
| Pin 75 | I/O — User I/O pin |
| Pin 76 | I/O — User I/O pin |
| Pin 77 | I/O — User I/O pin |
| Pin 78 | GND — Ground |
| Pin 79 | I/O — User I/O pin |
| Pin 80 | I/O — User I/O pin |
| Pin 81 | I/O — User I/O pin |
| Pin 82 | I/O — User I/O pin |
| Pin 83 | VCCIO — I/O supply (5V) |
| Pin 84 | I/O — User I/O pin |
| Pin 85 | I/O — User I/O pin |
| Pin 86 | I/O — User I/O pin |
| Pin 87 | GND — Ground |
| Pin 88 | I/O — User I/O pin |
| Pin 89 | I/O — User I/O pin |
| Pin 90 | I/O — User I/O pin |
| Pin 91 | I/O — User I/O pin |
| Pin 92 | VCCINT — Internal core supply (5V) |
| Pin 93 | I/O — User I/O pin |
| Pin 94 | I/O — User I/O pin |
| Pin 95 | I/O — User I/O pin |
| Pin 96 | GND — Ground |
| Pin 97 | I/O — User I/O pin |
| Pin 98 | I/O — User I/O pin |
| Pin 99 | I/O — User I/O pin |
| Pin 100 | I/O — User I/O pin |
| Pin 101 | VCCIO — I/O supply (5V) |
| Pin 102 | I/O — User I/O pin |
| Pin 103 | I/O — User I/O pin |
| Pin 104 | I/O — User I/O pin |
| Pin 105 | GND — Ground |
| Pin 106 | I/O — User I/O pin |
| Pin 107 | I/O — User I/O pin |
| Pin 108 | I/O — User I/O pin |
| Pin 109 | I/O — User I/O pin |
| Pin 110 | VCCINT — Internal core supply (5V) |
| Pin 111 | I/O — User I/O pin |
| Pin 112 | I/O — User I/O pin |
| Pin 113 | I/O — User I/O pin |
| Pin 114 | GND — Ground |
| Pin 115 | I/O — User I/O pin |
| Pin 116 | I/O — User I/O pin |
| Pin 117 | I/O — User I/O pin |
| Pin 118 | I/O — User I/O pin |
| Pin 119 | VCCIO — I/O supply (5V) |
| Pin 120 | I/O — User I/O pin |
| Pin 121 | I/O — User I/O pin |
| Pin 122 | I/O — User I/O pin |
| Pin 123 | GND — Ground |
| Pin 124 | I/O — User I/O pin |
| Pin 125 | I/O — User I/O pin |
| Pin 126 | I/O — User I/O pin |
| Pin 127 | I/O — User I/O pin |
| Pin 128 | VCCINT — Internal core supply (5V) |
| Pin 129 | I/O — User I/O pin |
| Pin 130 | I/O — User I/O pin |
| Pin 131 | I/O — User I/O pin |
| Pin 132 | GND — Ground |
| Pin 133 | I/O — User I/O pin |
| Pin 134 | I/O — User I/O pin |
| Pin 135 | I/O — User I/O pin |
| Pin 136 | I/O — User I/O pin |
| Pin 137 | VCCIO — I/O supply (5V) |
| Pin 138 | I/O — User I/O pin |
| Pin 139 | I/O — User I/O pin |
| Pin 140 | I/O — User I/O pin |
| Pin 141 | GND — Ground |
| Pin 142 | I/O — User I/O pin |
| Pin 143 | I/O — User I/O pin |
| Pin 144 | I/O — User I/O pin |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
EPF8820ATI144-2N is suitable for 6 applications: Industrial Machine Control, Legacy Telecom Interface Bridging, Glue-Logic Replacement for TTL/CMOS Designs, Custom ISA / PC/104 / VME Bus Controllers, Defense / Aerospace Long-Lifecycle Systems, Prototyping Platform for Quartus / MAX+PLUS II.
Industrial Machine Control
The EPF8820ATI144-2N is a strong fit for industrial machine control because it delivers 672 logic elements in an industrial-temperature (-40C to +85C) package with deterministic 1.7 ns tPD timing. In a CNC controller, PLC, or motor-drive front-end it can replace dozens of TTL/CMOS glue-logic chips, integrating encoder interfaces, PWM generation, and safety interlocks on a single device. The 5V supply tolerance aligns directly with the 24V->5V rails common in industrial cabinets, and the TQ144 footprint gives designers enough I/O to drive stepper/direction logic and discrete inputs. Configuration via EPC1 or EPC1441 EPROM ensures the design boots reliably in factory environments with noisy power.
Recommended
Legacy Telecom Interface Bridging
The EPF8820ATI144-2N is widely used to bridge legacy telecom interfaces such as E1/T1 framers, HDLC controllers, and PCM highway backplanes into modern CPU buses. Its 1.7 ns propagation delay handles the bit-clock and framing-edge timing required for TDM streams, and the 672 logic elements are sufficient for protocol-state machines and DMA-style FIFO glue. Industrial temperature rating makes it suitable for central-office and outside-plant enclosures, while 5V tolerance tolerates the -48V->5V isolated supplies common in telecom racks. Designers can re-target the same pinout using EPF8820ATI144-1 or EPF8820ATC144-3N for cost-down variants without PCB rework.
Recommended
Glue-Logic Replacement for TTL/CMOS Designs
Designers migrating dense 74LS/74AS/4000-series boards to the EPF8820ATI144-2N recover board area, reduce power, and gain the ability to revise logic in software. The 672 LEs typically replace 15 to 30 equivalent SSI/MSI packages, and the predictable FLEX 8000 interconnect avoids the timing anomalies that plague multi-package TTL designs. Industrial temperature rating and 5V tolerance allow direct drop-in alongside existing 5V logic without level shifters. Use the JTAG chain for in-system re-programming during bring-up, then commit the final image to an EPC1213 or EPC1441 configuration EPROM for production.
Recommended
Custom ISA / PC/104 / VME Bus Controllers
The EPF8820ATI144-2N is a natural fit for legacy ISA, PC/104, and VME bus controllers used in industrial PCs, test instruments, and defense electronics. With 672 LEs and abundant TQ144 I/O, it can implement bus arbiter, address decoder, interrupt controller, and custom register logic that previously required multiple PALs and FIFO chips. The 5V supply matches the ISA/PC/104 rail directly, and the industrial-temperature grade supports the extended thermal envelopes of ruggedized systems. Designers often pair the FPGA with a microcontroller or legacy CPU and use ByteBlaster JTAG for field updates.
Recommended
Defense / Aerospace Long-Lifecycle Systems
The EPF8820ATI144-2N is qualified for long-lifecycle defense and aerospace programs because its 5V supply, industrial temperature rating, and proven FLEX 8000 architecture remain stable across decades of field deployment. Programmable logic consolidates cockpit displays, mission-computer I/O, and guidance-system interfaces that must be maintained for 20+ years. Obsolescence is mitigated by qualifying EPF8820A family variants (EPF8820ATI144-1, EPF8820ATC144-2N) that share the same TQ144 footprint and bitstream-compatible architecture, allowing lifetime buy and second-source strategies.
Recommended
Prototyping Platform for Quartus / MAX+PLUS II
The EPF8820ATI144-2N serves as a workhorse prototyping FPGA on Altera/Intel development boards and university teaching kits where the MAX+PLUS II or Quartus design flow is still in use. With 672 LEs, 144 user I/O, and JTAG programming, students and engineers can experiment with state machines, soft-cores, and bus interfaces at low cost. The TQ144 package is hand-solderable on adapter boards, and the EPC1 configuration EPROM allows standalone demos without a host PC. The same bitstream can later be retargeted to a Cyclone or MAX device for production.
Recommended
Recommended Products Summary
Engineering reference data for EPF8820ATI144-2N — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPF8820ATI144-2 | EPF8820ATI144-1 | EPF8820ATC144-2N | EPF8820ATC144-3N | EPF8820ATC144-4N | EPF8820ATC144-10 |
|---|---|---|---|---|---|---|---|
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Package | 144-pin TQFP (TQ144) | 144-pin TQFP (TQ144) - same | 144-pin TQFP (TQ144) - same | 144-pin TQFP (TQ144) - same | 144-pin TQFP (TQ144) - same | 144-pin TQFP (TQ144) - same | 144-pin TQFP (TQ144) - same |
| Logic Elements | 672 | 672 | 672 | 672 | 672 | 672 | 672 |
| Speed Grade | -2 (1.7 ns tPD) | -2 (1.7 ns tPD) | -1 (slower than -2) | -2 (1.7 ns tPD) | -3 (slower than -2) | -4 (slower than -3) | -10 (slowest standard grade) |
| Temperature Grade | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Commercial (0C to +70C) | Commercial (0C to +70C) | Commercial (0C to +70C) | Commercial (0C to +70C) |
| Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Family | FLEX 8000 | FLEX 8000 | FLEX 8000 | FLEX 8000 | FLEX 8000 | FLEX 8000 | FLEX 8000 |
| Configuration Technology | CMOS SRAM (volatile) | CMOS SRAM (volatile) | CMOS SRAM (volatile) | CMOS SRAM (volatile) | CMOS SRAM (volatile) | CMOS SRAM (volatile) | CMOS SRAM (volatile) |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Key Differentiators
- Industrial temperature grade with -2 (1.7 ns) speed grade (vs EPF8820ATC144-2N)
- Faster speed grade (1.7 ns tPD) than -3N/-4N/-10 variants (vs EPF8820ATC144-4N)
- Same architecture and TQ144 footprint across all EPF8820A TQ144 variants (vs EPF8820ATI144-1)
Design Notes
The EPF8820ATI144-2N requires a clean 5V supply within 4.5V to 5.5V. Place a 10 uF bulk tantalum plus 100 nF ceramic decoupling pair within 25 mm of each VCCINT/VCCIO pin group. Add a ferrite bead if the 5V rail is shared with motors or relays. Estimated: at 50 MHz toggle activity, the FLEX 8000 core draws approximately 200-400 mA; budget 1A per device on the 5V rail.
FLEX 8000 devices are SRAM-volatile - the configuration is lost at every power-down. Always include an external configuration EPROM (EPC1 for serial, EPC1064/EPC1213/EPC1441 for parallel) on the board, wired per the datasheet CONFIG block. During bring-up, allow the nCONFIG pin a clean 1 ms reset pulse; do not tie it directly to VCC or the device will not enter configuration mode reliably.
The TQ144 footprint follows JEDEC MS-026 with 0.500 mm pitch and gull-wing leads. Use a 4-layer PCB with continuous ground plane under the device to control the simultaneous-switching noise of the high-pin-count I/O bank. Keep configuration EPROM traces short (under 50 mm) and route them over a single reference plane to avoid signal-integrity issues during multi-megahertz configuration loads.
Place the JTAG header (TCK, TMS, TDI, TDO, nSTATUS, nCONFIG) on the board edge for ByteBlaster access. Reserve the JTAG pins in the Quartus/MAX+PLUS II pin planner so they are not used as user I/O. Add 10 kohm pull-ups on nCONFIG and nSTATUS to VCCIO; without these the configuration handshake can fail intermittently under noisy power-up conditions.
Compliance Information
RoHS/REACH/lead-free status not stated in the verified distributor data. The -N suffix historically indicates a lead-free or Pb-free finish variant on Altera parts, but confirmation against the manufacturer declaration is recommended for new designs. AEC-Q100 is not applicable because this is an FPGA, not an automotive-grade IC.